video element The HTML <video> element is used to embed video content in an HTML or XHTML document, em element Specifies that the enclosed text should be emphasized, output element The output (<output>) element represents the result of a calculation. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.
Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':